package HighMethod09;

class BPNode {
    static int m = 5;
    static int LeafMAX = m;
    static int LeafMIN = m / 2 + 1;
    static int BrchMAX = m - 1;
    static int BrchMin = m / 2;
    int n;
    BPNode pa;
    char[] key = new char[m + 1];


    class LeafNode extends BPNode {
        BPNode prev, next;
        Object[] pval = new Object[m + 1];
    }
    LeafNode pre,next;

    class BrchNode extends BPNode {
        BPNode[] sub = new BPNode[m + 1];


    }

    /**
     * B+树
     */
    class BPTree {
        BPNode first, root;

    }
}

public class BPTreeTest {
    public static void main(String[] args) {

    }
}
